Near-repdigit semiprimes with 9 as repeated digit.

Terms

a(0) =299a(1) =699a(2) =799a(3) =899a(4) =939a(5) =949a(6) =959a(7) =979a(8) =989a(9) =993a(10) =995a(11) =998a(12) =5999a(13) =6999a(14) =7999a(15) =9299a(16) =9599a(17) =9799a(18) =9899a(19) =9939a(20) =9959a(21) =9969a(22) =9979a(23) =9989a(24) =9991a(25) =9993a(26) =9995a(27) =9997a(28) =9998a(29) =19999